On 2/3/21 7:51 AM, Naresh Kamboju wrote: > Linux next tag 20210203 the mips and sh builds failed due to below errors. > Following builds failed with gcc-8, gcc-9 and gcc-10, > - mips (cavium_octeon_defconfig) > - sh (defconfig) > - sh (shx3_defconfig) > > make --silent --keep-going --jobs=8 > O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=mips > CROSS_COMPILE=mips-linux-gnu- 'CC=sccache mips-linux-gnu-gcc' > 'HOSTCC=sccache gcc' uImage.gz > In file included from arch/mips/include/asm/page.h:258, > from arch/mips/include/asm/io.h:29, > from include/linux/io.h:13, > from arch/mips/include/asm/mips-cps.h:10, > from arch/mips/include/asm/smp-ops.h:16, > from arch/mips/include/asm/smp.h:21, > from include/linux/smp.h:84, > from arch/mips/include/asm/cpu-type.h:12, > from arch/mips/include/asm/timex.h:19, > from include/linux/timex.h:65, > from include/linux/time32.h:13, > from include/linux/time.h:60, > from include/linux/compat.h:10, > from arch/mips/kernel/asm-offsets.c:12: > include/linux/mm.h: In function 'is_pinnable_page': > include/asm-generic/memory_model.h:64:14: error: implicit declaration > of function 'page_to_section'; did you mean 'present_section'? > [-Werror=implicit-function-declaration] > int __sec = page_to_section(__pg); \ > ^~~~~~~~~~~~~~~ > include/asm-generic/memory_model.h:81:21: note: in expansion of macro > '__page_to_pfn' > #define page_to_pfn __page_to_pfn > ^~~~~~~~~~~~~ > include/linux/mm.h:1135:15: note: in expansion of macro 'page_to_pfn' > is_zero_pfn(page_to_pfn(page)); > ^~~~~~~~~~~ > In file included from arch/mips/kernel/asm-offsets.c:15: > include/linux/mm.h: At top level: > include/linux/mm.h:1512:29: error: conflicting types for 'page_to_section' > static inline unsigned long page_to_section(const struct page *page) > ^~~~~~~~~~~~~~~ > Steps to reproduce: > -------------------------- > # TuxMake is a command line tool and Python library that provides > # portable and repeatable Linux kernel builds across a variety of > # architectures, toolchains, kernel configurations, and make targets. > # > # TuxMake supports the concept of runtimes. > # See https://docs.tuxmake.org/runtimes/, for that to work it requires > # that you install podman or docker on your system. > # > # To install tuxmake on your system globally: > # sudo pip3 install -U tuxmake > # > # See https://docs.tuxmake.org/ for complete documentation. > > > tuxmake --runtime podman --target-arch mips --toolchain gcc-10 > --kconfig cavium_octeon_defconfig Looks to me like this is due to <linux/mm.h>: #if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) #define SECTION_IN_PAGE_FLAGS #endif with CONFIG_SPARSEMEM=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y # CONFIG_SPARSEMEM_VMEMMAP is not set I'm still digging. -- ~Randy
